// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#pragma once

#include "olap/olap_common.h"

namespace doris {

// all implementations must be thread-safe
class RowsetIdGenerator {
public:
    RowsetIdGenerator() = default;
    virtual ~RowsetIdGenerator() = default;
    RowsetIdGenerator(const RowsetIdGenerator&) = delete;
    RowsetIdGenerator& operator=(const RowsetIdGenerator&) = delete;

    // generate and return the next global unique rowset id
    virtual RowsetId next_id() = 0;
}; // RowsetIdGenerator

} // namespace doris
